NM_001365536.1(SCN9A):c.1583G>A (p.Arg528Lys) AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Mar 12, 2020
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV001303834.6

Allele description [Variation Report for NM_001365536.1(SCN9A):c.1583G>A (p.Arg528Lys)]

NM_001365536.1(SCN9A):c.1583G>A (p.Arg528Lys)

Genes:

SCN1A-AS1:SCN1A and SCN9A antisense RNA 1 [Gene - HGNC]
SCN9A:sodium voltage-gated channel alpha subunit 9 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2q24.3

Genomic location:

Preferred name:

NM_001365536.1(SCN9A):c.1583G>A (p.Arg528Lys)

HGVS:

NC_000002.12:g.166286355C>T
NG_012798.1:g.94633G>A
NM_001365536.1:c.1583G>AMANE SELECT
NM_002977.4:c.1583G>A
NP_001352465.1:p.Arg528Lys
NP_002968.1:p.Arg528Lys
NP_002968.1:p.Arg528Lys
NP_002968.2:p.Arg528Lys
LRG_369t1:c.1583G>A
LRG_369:g.94633G>A
LRG_369p1:p.Arg528Lys
NC_000002.11:g.167142865C>T
NM_002977.2:c.1583G>A
NM_002977.3:c.1583G>A

Protein change:

R528K

Links:

dbSNP: rs1403714469

NCBI 1000 Genomes Browser:

rs1403714469

Molecular consequence:

NM_001365536.1:c.1583G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_002977.4:c.1583G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Neuropathy, hereditary sensory and autonomic, type 2A (HSAN2A)
Synonyms:: ACROOSTEOLYSIS, GIACCAI TYPE; ACROOSTEOLYSIS, NEUROGENIC; HSAN IIA; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0024309; MedGen: C2752089; Orphanet: 970; OMIM: 201300

Name:: Generalized epilepsy with febrile seizures plus, type 7 (GEFSP7)
Synonyms:: GEFS+, TYPE 7
Identifiers:: MONDO: MONDO:0013470; MedGen: C2751778; Orphanet: 36387; OMIM: 613863

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001493094	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Mar 12, 2020)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001493094

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Mar 12, 2020)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240-242.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Invitae, SCV001493094.4

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has not been reported in the literature in individuals with SCN9A-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces arginine with lysine at codon 528 of the SCN9A protein (p.Arg528Lys). The arginine residue is moderately conserved and there is a small physicochemical difference between arginine and lysine.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Mar 5, 2024

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